1、A mini digital temperature controller. With large and clear LCD display for better readability. Wide temperature measuring range: -50 ~ 110 ℃ 2、Heating and refrigerating two control modes. With temperature calibration function. Delay start function. 3、Can set both a high and a low temperature limit, lock the factory parameters. Support restoring factory settings. 4、Support power-down storage (Parameters that have been set are still valid while suddenly power down) 5、Used for all kinds of refrigerators, farms, scientific laboratories, home temperature control, industrial equipment and other temperature-controlled systems. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia